header {
    background-image: url(head.jpg);
    width: 1012px;
    height: 665px;
    background-size: contain;
    margin: 0 auto;
}

body {
    margin: 0 auto;
    text-align: center;
}

.tiaozheng {
    margin: 0 auto;
    text-align: center;
    position: relative;
    top: -30px;
    left: -250px;
}

.zipaikuang {
    width: 200px;
    height: 90px;
    border: 6px double honeydew;
    display: inline-block;
    /* margin: 10px 0px; */
    position: absolute;
    top: 100px;
    left: 650px;
}

.zipai {
    width: 100px;
    height: 100px;
    border-radius: 50px;
    position: absolute;
    top: 45px;
    left: 705px;
    transition: 3s;
}

.zipai:hover {
    transform: rotate(360deg);
}

h1 {
    font-family: "微软雅黑";
    font-size: 60px;
    color: #eff8ff;
    position: relative;
    top: 320px;
    left: 0px;
}

p {
    font-family: "微软雅黑";
    font-size: 20px;
    position: absolute;
    top: 140px;
    left: 690px;
    color: #eff8ff;
}

a {
    text-decoration: none;
    font-family: "微软雅黑";
    font-size: 25px;
    /* padding: 0px 0px 0px 760px; */
    color: #eff8ff;
}

.ho:link {
    text-decoration: none;
}

.ho:hover {
    background-color: ivory;
    color: lightsalmon;
}

.nav {
    text-align: right;
    padding: 360px 25px 0px 0px;
}

.workone {
    width: 220px;
    height: 400px;
    padding: 20px 40px;
}

.biaoti {
    position: relative;
    top: 0px;
    left: 22px;
}

.colorone {
    background-color: #e16223;
    width: 1012px;
    margin: 0 auto;
}

h3 {
    color: lightseagreen;
    font-size: 28px;
    text-align: center;
}

.colortwo {
    background-color: #654062;
    width: 1012px;
    margin: 0 auto;
}

.worktwo {
    width: 200px;
    height: 200px;
    padding: 20px 20px;
}

.workthree {
    width: 240px;
    height: 440px;
    padding: 20px 40px;
}

.colorthree {
    background-color: #16697a;
    width: 1012px;
    margin: 0 auto;
}

.workfour {
    width: 400px;
    height: 300px;
    padding: 20px 30px;
}

.workfourr {
    width: 300px;
    height: 300px;
    padding: 20px 30px;
}

.colorfour {
    background-color: #fecb89;
    width: 1012px;
    margin: 0 auto;
}

.biaotione {
    position: relative;
    top: 0px;
    left: 22px;
    padding: 20px 0px 0px 0px;
}

.colorfive {
    background-color: #184d47;
    width: 1012px;
    height: 3940px;
    margin: 0 auto;
}

.zipaijieshao {
    text-align: right;
    font-size: 30px;
    position: relative;
    top: 80px;
    left: -60px;
}

.zipaizhao {
    width: 400px;
    height: 400px;
    border-radius: 200px;
    position: relative;
    top: -340px;
    left: -200px;
    animation: donghuaa 5s infinite;
}

.zone {
    position: relative;
    top: -266px;
    left: -11px;
    width: 450px;
    height: 600px;
}

.ztwo {
    position: relative;
    top: 230px;
    left: 11px;
    width: 450px;
    height: 600px;
}


/* .zthree {
    width: 450px;
    height: 450px;
    position: relative;
    top: -1020px;
    left: -11px;
}
.zfour {
    width: 450px;
    height: 450px;
    position: relative;
    top: 0px;
    left: 238px;
} */

.one {
    position: relative;
    top: 1000px;
    left: 0px;
}

.zhaomao {
    position: relative;
    top: -270px;
    left: 40px;
    text-align: left;
    font-size: 30px;
}

.chi {
    position: relative;
    top: -480px;
    left: -38px;
    text-align: right;
    font-size: 30px;
}

.niupa {
    width: 750px;
    height: 550px;
    position: relative;
    top: -560px;
    left: -90px;
}

.pisa {
    width: 450px;
    height: 350px;
    position: relative;
    top: -520px;
    left: 470px;
}

.jigongbao {
    width: 450px;
    height: 350px;
    position: relative;
    top: -520px;
    left: -470px;
}

.zthree {
    width: 450px;
    height: 450px;
    position: relative;
    top: -270px;
    left: -11px;
}

.zfour {
    width: 450px;
    height: 450px;
    position: relative;
    top: -1130px;
    left: 11px;
}

.two {
    position: relative;
    top: -480px;
    left: 0px;
}

.shipin {
    text-align: center;
    font-size: 30px;
    position: relative;
    top: -460px;
    left: 0px;
}

.footer {
    background-color: #f4f4f4;
    margin-top: 10px;
    width: 1012px;
    text-align: center;
    margin: 0 auto;
}

.footer .top {
    padding: 30px 0;
    /* text-align: center; */
}

.footer .bottom {
    padding: 20px;
    border-top: 1px solid #dddddd;
    font-size: 13px;
    color: #aaa;
    overflow: auto;
    text-align: center;
}

.wei {
    color: darkgrey;
}

.boxx {
    padding: 10px 20px;
}

iframe {
    width: 980px;
    /* height: 665px; */
    position: relative;
    top: -440px;
    left: 0px;
}

.jieshu {
    position: relative;
    top: -400px;
    left: 0px;
}

.boxx {
    width: 30px;
    height: 30px;
}

ul {
    /* text-align: right; */
    position: fixed;
    top: 100px;
    left: 0px;
    /* position: fixed; */
    list-style: none;
    width: 150px;
    height: 50px;
    /* 让鼠标变成小手 */
    cursor: pointer;
    /* 让子元素保留其3D位置 */
    transform-style: preserve-3d;
    transition: all 1s;
}

h1 {
    transition: all 2s;
}

h1:hover {
    transform: rotate(360deg);
}

img {
    transition: all 2s;
}

.workone,
.worktwo,
.workthree,
.workfour,
.workfive,
.workfourr {
    transition: all 4s;
}

.workone:hover {
    transform: scale(1.5) rotate(360deg);
}

.worktwo:hover,
.workthree:hover,
.workfour:hover,
.workfive:hover,
.workfourr:hover {
    transform: scale(1.5) rotate(360deg);
}

h3 {
    animation: donghua 5s infinite forwards;
}

@keyframes donghua {
    0% {
        transform: rotate(180deg);
    }
    25% {
        transform: rotate(360deg);
    }
    50% {
        transform: scale(1.5);
    }
    75% {
        transform: scale(2);
    }
    100% {
        transform: scale(1.5)
    }
}

@keyframes donghuaa {
    0% {
        transform: rotate(45deg);
    }
    25% {
        transform: rotate(90deg);
    }
    50% {
        transform: rotate(180deg);
    }
    75% {
        transform: rotate(240deg);
    }
    100% {
        transform: rotate(360deg)
    }
}

ul li {
    position: relative;
    /* 取消项目编号 就是小黑点 */
    list-style: none;
    width: 150px;
    height: 50px;
    /* 让鼠标变成小手 */
    cursor: pointer;
    /* 让子元素保留其3D位置 */
    transform-style: preserve-3d;
    transition: all 1s;
}

ul li:hover div:first-child {
    background-color: #51938f;
    background-size: 5px 5px;
    background-position: 30px 30px;
    background-image: linear-gradient( 45deg, #478480 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #478480 75%, #478480);
}

ul li div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    position: fixed;
}

ul li div:first-child {
    background-color: #74adaa;
    transform: translateZ(25px);
    position: fixed;
}

ul li div:last-child {
    background-color: #51938f;
    background-size: 5px 5px;
    background-position: 30px 30px;
    background-image: linear-gradient( 45deg, #478480 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #478480 75%, #478480);
    /* 让第二个面往下移动25px 沿着X轴旋转-90度 */
    transform: translateY(25px) rotateX(-90deg);
    position: fixed;
}